How do do master reset a net10 umx?

Usually, it can be done without a PC at hand: power off your phone, hold down the volume down key and turn on the phone (keep holding both the power and the volume down button until it boots up). It...

can some please help me...My brother came to Belize to visit and he gave me a UMX mxc-570 phone for my birthday but its locked..I need to unlock it in order to use it here in Belize.carrier unlock....

it goes to a white screen after i try to reboot it it goes to a triangle with a ! in the middle with a droid person than goes to a white screen than dont do nothing else

I can't send out text messages in the green message box on my u670c Android net 10 phone. It has a Red triangle with an exclamation point in it. I can only send a message out with the mms and that...

hold down the volume down button and power button until you see the triangle
and the android guy then you push the back button and the menu comes up then you use the volume button to select phone...

hold down the volume down button and power button until you see the triangle
and the android guy then you push the back button and the menu comes up then you use the volume button to select phone...

my phone is on but it's just showing a white screen. what should or would i have to do next for it to come back on period?

Wont let me select with menu to rest phone

Press and hold power & vol down until it boots up,press back button then vol down to factory reset, (third line down) press the menu button.it will flash on a different screen but you wont be...

I did everything that it says to do all it does is stay at the triangle

push the power and the menu button. when triangle appears push the back button. then select reset using the volume button. to make a selection push the menu button. gotta be fast tho... it should...